Overview
The BC817K-40 is a bipolar junction transistor (BJT) produced by Diotec Semiconductor. It is an NPN transistor, which means it is a type of BJT that uses a small current at the base to control a larger current at the collector and emitter. This transistor is widely used in various electronic circuits for control and signal processing due to its robust specifications and reliability.
Key Specifications
| Parameter | Value |
|---|---|
| Type of Transistor | NPN |
| Packaging | SOT-23-3 (TO-236) |
| Collector-Emitter Voltage (VCEO) | 45V |
| DC Collector Current (IC) | 500mA |
| Power Dissipation | 0.5W |
| Maximum Junction Temperature | 150°C |
| Frequency (fT) | 170MHz |
| RoHS / REACH Compliance | Yes |
Key Features
- High Collector-Emitter Voltage: The BC817K-40 can handle up to 45V, making it suitable for a variety of applications requiring higher voltage handling.
- High Current Capability: With a DC collector current of 500mA, this transistor can manage significant current flows.
- Compact Packaging: The SOT-23-3 package is compact and suitable for surface mount applications, saving space on the PCB.
- High Frequency Operation: The transistor has a transition frequency (fT) of 170MHz, making it suitable for high-frequency applications.
- Environmental Compliance: The BC817K-40 is RoHS and REACH compliant, ensuring it meets environmental standards.
Applications
The BC817K-40 is versatile and can be used in a variety of electronic circuits, including:
- Switching Circuits: Due to its high current and voltage handling capabilities, it is often used in switching applications.
- Amplifier Circuits: Its high frequency operation makes it suitable for amplifier circuits.
- LED Driver Circuits: It can be used in dimmable LED driver circuits and other lighting control applications.
- Robotics and Automation: It is used in robotic and automated systems where reliable control and signal processing are required.
Q & A
- What is the type of the BC817K-40 transistor?
The BC817K-40 is an NPN bipolar junction transistor (BJT). - What is the maximum collector-emitter voltage of the BC817K-40?
The maximum collector-emitter voltage (VCEO) is 45V. - What is the maximum DC collector current of the BC817K-40?
The maximum DC collector current (IC) is 500mA. - What is the power dissipation of the BC817K-40?
The power dissipation is 0.5W. - What is the maximum junction temperature of the BC817K-40?
The maximum junction temperature is 150°C. - Is the BC817K-40 RoHS and REACH compliant?
Yes, the BC817K-40 is RoHS and REACH compliant. - What is the packaging type of the BC817K-40?
The packaging type is SOT-23-3 (TO-236). - What is the transition frequency (fT) of the BC817K-40?
The transition frequency (fT) is 170MHz. - What are some common applications of the BC817K-40?
Common applications include switching circuits, amplifier circuits, LED driver circuits, and robotics and automation. - Where can I find more detailed technical data for the BC817K-40?
You can find detailed technical data on the Diotec Semiconductor official website or through distributors like Digi-Key, TME, etc.
